Service tax urgent - problem in st-3

Dear Sir,

I am facing problem as mentioned below In form ST-3 please reply In form there is column Money Received in which I have entered Rs. 100.00 an other column is Bill raised I have entered Rs. 125.00 now the question is I have raised bills to parties for Rs. 125.00 and money received against this bill Rs. 100.00 and i have deposited service Tax on Rs. 125.00 as per rule of Service Tax. Now when i validate the form it shows difference due to excess paid in respect to money received. Now please tell me how to show.